Table 3.

Association of ventilator-free days and mortality and PAI-1

Predictor log PAI-1 levels	Linear regression outcome: VFD		Logistic regression outcome: mortality
	Coefficient [95% CI]	P	Odds ratio [95% CI]	P
Unadjusted	−2.0 [−3.4 to 0.6]	<0.01	1.75 [1.1–2.6]	<0.01
Adjusteda	−1.6 [−2.9 to 0.3]	<0.02	2.0 [1.04–3.0]	<0.02

^aAdjusted for age and PRISM III